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Finding the Fourth Proportional to 181,376.97, 250,451.33 and 151,319.90

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Solution

The fourth proportional to 181,376.97, 250,451.33 and 151,319.90 is: 208,947.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,376.97 : 250,451.33 = 151,319.90 : x
  2. Step 2: Convert to fraction form
    181,376.97/250,451.33 = 151,319.90/x
  3. Step 3: Cross multiply
    181,376.97x = 250,451.33 × 151,319.90
  4. Step 4: Simplify right side
    181,376.97x = 37,898,268,201.61
  5. Step 5: Solve for x
    x = 37,898,268,201.61/181,376.97
  6. Step 6: Final answer
    x = 208,947.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.